Properties

Label 2-731-1.1-c1-0-46
Degree $2$
Conductor $731$
Sign $-1$
Analytic cond. $5.83706$
Root an. cond. $2.41600$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 0.298·2-s + 0.0958·3-s − 1.91·4-s + 0.959·5-s + 0.0285·6-s + 1.32·7-s − 1.16·8-s − 2.99·9-s + 0.286·10-s − 2.70·11-s − 0.183·12-s − 2.46·13-s + 0.396·14-s + 0.0919·15-s + 3.47·16-s + 17-s − 0.891·18-s − 2.75·19-s − 1.83·20-s + 0.127·21-s − 0.805·22-s − 1.10·23-s − 0.111·24-s − 4.07·25-s − 0.734·26-s − 0.574·27-s − 2.54·28-s + ⋯
L(s)  = 1  + 0.210·2-s + 0.0553·3-s − 0.955·4-s + 0.429·5-s + 0.0116·6-s + 0.502·7-s − 0.412·8-s − 0.996·9-s + 0.0905·10-s − 0.814·11-s − 0.0528·12-s − 0.683·13-s + 0.105·14-s + 0.0237·15-s + 0.868·16-s + 0.242·17-s − 0.210·18-s − 0.631·19-s − 0.410·20-s + 0.0278·21-s − 0.171·22-s − 0.231·23-s − 0.0228·24-s − 0.815·25-s − 0.144·26-s − 0.110·27-s − 0.480·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 731 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 731 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(731\)    =    \(17 \cdot 43\)
Sign: $-1$
Analytic conductor: \(5.83706\)
Root analytic conductor: \(2.41600\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 731,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad17 \( 1 - T \)
43 \( 1 - T \)
good2 \( 1 - 0.298T + 2T^{2} \)
3 \( 1 - 0.0958T + 3T^{2} \)
5 \( 1 - 0.959T + 5T^{2} \)
7 \( 1 - 1.32T + 7T^{2} \)
11 \( 1 + 2.70T + 11T^{2} \)
13 \( 1 + 2.46T + 13T^{2} \)
19 \( 1 + 2.75T + 19T^{2} \)
23 \( 1 + 1.10T + 23T^{2} \)
29 \( 1 + 7.14T + 29T^{2} \)
31 \( 1 + 3.87T + 31T^{2} \)
37 \( 1 - 2.00T + 37T^{2} \)
41 \( 1 - 8.57T + 41T^{2} \)
47 \( 1 + 10.6T + 47T^{2} \)
53 \( 1 + 6.91T + 53T^{2} \)
59 \( 1 - 0.411T + 59T^{2} \)
61 \( 1 - 3.33T + 61T^{2} \)
67 \( 1 + 10.1T + 67T^{2} \)
71 \( 1 - 6.68T + 71T^{2} \)
73 \( 1 + 3.67T + 73T^{2} \)
79 \( 1 - 10.7T + 79T^{2} \)
83 \( 1 - 5.23T + 83T^{2} \)
89 \( 1 + 8.72T + 89T^{2} \)
97 \( 1 - 1.38T + 97T^{2} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−9.788096977624038668881315416756, −9.198083588718381340540887960335, −8.200711032294994984403702160888, −7.65053325198669614587956527945, −6.06119166093719336825092509959, −5.41338280470408583454848280296, −4.59306549793070511257116034085, −3.36995157199993130740470841966, −2.12025008659549154538232489176, 0, 2.12025008659549154538232489176, 3.36995157199993130740470841966, 4.59306549793070511257116034085, 5.41338280470408583454848280296, 6.06119166093719336825092509959, 7.65053325198669614587956527945, 8.200711032294994984403702160888, 9.198083588718381340540887960335, 9.788096977624038668881315416756

Graph of the $Z$-function along the critical line